Spark Logic

Where to buy GD32F103

madias Sun Sep 06, 2015 5:43 am

Ok, I did a little research an maybe this could be interesting for the people:
GD32F103xxx plain chips can be bought normally at aliexpress or ebay. There are no ready made boards till yet.

For dev boards there are less opportunities:
taobao (relative complicated to order and only economic for larger quantities)
After some googeling I found this: http://www.cart100.com/Product/43196369961/
This should be the dev board Roger uses and if you are going to buy 4 or more you only pay 3.84USD/pcs. Disclaimer: I have never ordered at cart100.

Replies

madias Sun Sep 06, 2015 9:05 am

Ok, found in another thread, the GD32 board is available on aliexpress for 5 Euro
edit: removed dead link —>
http://www.aliexpress.com/item/Compatib … 6,201409_5
(link same as from zmemw16)
But I think this price isn’t very attractive.

RogerClark Sun Sep 06, 2015 11:15 am

Matthias
Sorry, but the last link doesn’t seem to work

stevech Mon Sep 07, 2015 11:10 pm

where does one get a schematic for that board?

RogerClark Tue Sep 08, 2015 12:08 am

I’ve changed the BBS settings to allow document attachments.

So here is a PDF I have for that board.

Note. I’m not doing any special backups on the forum, so any documents posted here are not guaranteed to be backed up permanently, so if you really need this file, please keep a local copy

Rick Kimball Tue Sep 08, 2015 12:12 am

$8.50 .. man that didn’t take long to jump up in price. It was mildly interesting @ $5 .. non starter @ $8.50

RogerClark Tue Sep 08, 2015 4:02 am

About $2.50 from TaoBao,

http://world.taobao.com/item/4319636996 … kP7#detail

But of course you have to pay for shipping etc

I suspect that the AliExpress guys could sell for $5 or $6 and make a profit including postage, as I think they get a special deal with China Post etc

cazimirb Thu Sep 17, 2015 6:56 am

I bought some of these chips GD32F103RET6:
http://world.tmall.com/item/43536736063.htm?

They could be used as a direct replacement for STM32 chip on RET6 board, I guess..
Still wait for them to arrive..

RogerClark Thu Sep 17, 2015 7:03 am

They certainly look to be a good deal, but I couldnt not work out the shipping cost

The basic stuff seems to work on GD32, but I have not managed to get SPI working yet. SPI appears to be sending the correct data, but It didnt work with my ILI9341 display. However I could be doing something really stupid with the wiring rather than it being a real problem.

Vassilis Thu Sep 17, 2015 10:23 am

RogerClark wrote:They certainly look to be a good deal, but I couldnt not work out the shipping cost

The basic stuff seems to work on GD32, but I have not managed to get SPI working yet. SPI appears to be sending the correct data, but It didnt work with my ILI9341 display. However I could be doing something really stupid with the wiring rather than it being a real problem.

cazimirb Wed Oct 14, 2015 9:18 am

I have been digging around on Taobao for a while, searching for GD32F chips.
Finally, I found a seller which claims to be GigaDevice authorized seller (others said they were out-of-stock, blah-blah, or they sent me STM32 versions :( ). The domestic shipping fee is quite high ($3.56)
Here are some links:
GD32F103CBT6 ($1.18) – http://world.taobao.com/item/41798778874.htm
GD32F103VET6 ($2.35) – http://world.taobao.com/item/41842412792.htm
GD32F103RGT6 $2.67) – http://world.taobao.com/item/41842376553.htm

I bought a few of these chips (wait for them to arrive), plan to do brain surgery on some STM32 boards, or build new boards..

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